High Quality Material: Each Woodpecker Router Jig is made of high hardness ABS + CNC glue, sturdy and durable. Easy to Use: Applicable to various panels to cut perfect outside radii, it will help carpenters easily and skillfully to make beautiful rounded radians, such as picture frame edges, table and chair edges, cutting a corner or a wood panel, etc. A complete set of professional tools, easy to use, save your time, and always try to handle the corners of your woodworking projects freely. Safety design: round corner router bit jigs, a fixed ergonomic design with three holes, makes it easier to stabilize the fixture, and effectively protect your hands from being hurt by router bits.Easy to use: professional, easy to use. Applicable to various panels to cut perfect outer radii, it will help carpenters easily and skillfully to make beautiful rounded radians, such as picture frame edges, table and chair edges, corner cutting or wood panels , etc.